12
DISCONNECT AIR SUPPLY BEFORE SERVICING. THE CLAMPING AND FEED MECHANISMS ARE
EXPOSED.TO AVOID INJURY, KEEP FINGERS AND HANDS AWAY FROM THESE AREAS WHEN
HANDLING OR OPERATING TOOLS.
WARNING
!
2. Remove backhead and spindle assemblies from motor housing. NOTE: Four idler gears are
held in position by idler gear shafts in the backhead, and are retained by front bearing plate
622090. Front bearing plate remains in place in motor housing bore.
3. To remove spindles from backhead, use small punch to drive out roll pin 613162 in
adjustment knob 622094. Removal of the roll pin releases the adjustment knob from the spindle
adjustment screw 622093, the adjustment drive ring 622095 and spring 622140.
Spindle and Backhead Disassembly — continued